1.A tightly packaged can of dipping tobacco used to make the dip user "mad buzzed", always paired off with a trusty spitter. Usually done in a social environment full of other dip users. There are many types of tins that come in a variety of flavors (mint, berry, wintergreen, straight, peach, vanilla, toasted marshmallow, etc.) Sometimes flavors are mixed together to make a dip hybrid (ex. Vanilla and Cherry =Cherry Vanilla or Peach and Mint = minty and fruity lip). Always pack your tin before you indulge in the delicious tin.

2. A person, place, or thing. Substituted for a noun in a sentence. Referring to a person or some sort of object.

a shield. the term "tin" is typically reserved for when it's presented to a civilian for any variety of reasons.

sean - how did you get that chick's friends to let her go home with you?
flip - it was nothing, i just pulled a couple aside and tinned them, told them their friend was in good hands.
sean - you fucked her in the ass, didn't you?
flip - raw.

ed - alright, who's turn is it to tin the doorman?
ryan - i'd rather just stand in line and pay the door fee like everyone else.
entire group - ...
ed - alright it's settled, ryan go tin that motherfucker so we can get inside already.